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Acta Cir Bras. 2015 Aug;30(8):568-73. doi: 10.1590/S0102-865020150080000008.

Copaiba oil effect on induced fecal peritonitis in rats.

Author information

1
Universidade Estadual do Pará, Belém, PA, BR.
2
School of Medicine, UEPA, BR.
3
School of Medicine, Universidade Estadual do Pará, BR.
4
School of Medicine, UEPA, Belém, PA, BR.

Abstract

PURPOSE:

To evaluate the effects of copaiba oil as a prophylactic and/or therapeutic substance on survival of rats subjected to cecal ligation and puncture, describing histopathological and oxidative stress findings.

METHODS:

Forty rats (Ratus norvegicus) were distributed into five study groups (N=8): Sham group (ShG): normal standard animals; Sepse group (SepG): submitted a cecal ligation and puncture (CLP); Pre group (PreG): administered copaiba oil once daily by subcutaneous injection for five days before carrying out CLP; Post CLP group (PostG): administered copaiba oil once daily by subcutaneous injection from the first day of CLP until death by sepsis; and Pre/Post group (Pre/PostG): administered copaiba oil once daily by subcutaneous injection for five days before carrying out CLP and from the first day of CLP until de death by sepsis. After the death of the animals, blood was collected for assessment of oxidative stress and histological analysis were performed. The Kaplan-Meier curves of surviving time were realized.

RESULTS:

Survival analysis demonstrated that animals treated with copaiba oil prior to the execution of the CLP (PreG and Pre/Post groups) had longer survival compared to the sepsis group (p<0.0001) whereas animals receiving copaiba only after the completion of CLP (PostG) showed no statistically significant difference compared to the sepsis group. However, when comparing the two groups in which was administered copaiba previously (PreG and Pre/PostG groups), there was no statistical significance between the groups (p=0.4672). There was no statistical difference between histopathological findings or the levels of oxidative stress.

CONCLUSION:

Prophylactic subcutaneous administration of copaiba increases survival of rats subjected to severe sepsis by cecal ligation and puncture.

[Indexed for MEDLINE]
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